09-mostRepeatedChar/index.js

@@ -1,4 +1,12 @@
 export function mostUsedChar(text) {
     // implementar logica aqui
-    return ""
+    let max = 0,
+        maxChar = '';
+        text.split('').forEach(function(char){
+            if(text.split(char).length > max) {
+                max = text.split(char).length;
+                maxChar = char;
+            }
+        });
+    return maxChar;
 }